Print embedded label / version when starting Bazel.

PiperOrigin-RevId: 697623665
Change-Id: I5553240373da5cccb405aba7524b3930fcd961c2

src/main/cpp/blaze.cc

@@ -827,7 +827,7 @@ static void StartServerAndConnect(
     const blaze_util::Path &server_dir, const WorkspaceLayout &workspace_layout,
     const string &workspace, const OptionProcessor &option_processor,
     const StartupOptions &startup_options, LoggingInfo *logging_info,
-    BlazeServer *server) {
+    BlazeServer *server, const string &build_label) {
   // Delete the old command_port file if it already exists. Otherwise we might
   // run into the race condition that we read the old command_port file before
   // the new server has written the new file and we try to connect to the old
@@ -855,7 +855,8 @@ static void StartServerAndConnect(
                 startup_options.io_nice_level);
 
   BAZEL_LOG(USER) << "Starting local " << startup_options.product_name
-                  << " server and connecting to it...";
+                  << " server (" << build_label << ")"
+                  << " and connecting to it...";
   BlazeServerStartup *server_startup;
   const int server_pid = ExecuteDaemon(
       server_exe, server_exe_args, PrepareEnvironmentForJvm(),
@@ -1051,12 +1052,13 @@ static ATTRIBUTE_NORETURN void RunClientServerMode(
     const string &workspace, const OptionProcessor &option_processor,
     const StartupOptions &startup_options, LoggingInfo *logging_info,
     const DurationMillis extract_data_duration,
-    const DurationMillis command_wait_duration_ms, BlazeServer *server) {
+    const DurationMillis command_wait_duration_ms, BlazeServer *server,
+    const string &build_label) {
   while (true) {
     if (!server->Connected()) {
       StartServerAndConnect(server_exe, server_exe_args, server_dir,
                             workspace_layout, workspace, option_processor,
-                            startup_options, logging_info, server);
+                            startup_options, logging_info, server, build_label);
     }
 
     // Check for the case when the workspace directory deleted and then gets
@@ -1462,10 +1464,12 @@ static void RunLauncher(const string &self_path,
                  option_processor, startup_options, logging_info,
                  extract_data_duration, command_wait_duration_ms, blaze_server);
   } else {
+    string build_label;
+    ExtractBuildLabel(self_path, &build_label);
     RunClientServerMode(server_exe, server_exe_args, server_dir,
                         workspace_layout, workspace, option_processor,
                         startup_options, logging_info, extract_data_duration,
-                        command_wait_duration_ms, blaze_server);
+                        command_wait_duration_ms, blaze_server, build_label);
   }
 }
 

src/test/shell/integration/bazel_command_log_test.sh

@@ -38,7 +38,7 @@ function strip_lines_from_bazel_cc() {
     -e "/^INFO: Reading 'startup' options from /d" \
     -e '/^\$TEST_TMPDIR defined: output root default is/d' \
     -e '/^OpenJDK 64-Bit Server VM warning: ignoring option UseSeparateVSpacesInYoungGen; support was removed in 8.0/d' \
-    -e '/^Starting local B[azel]* server and connecting to it\.\.\.\.*$/d' \
+    -e '/^Starting local B[azel]* server (.*) and connecting to it\.\.\.\.*$/d' \
     -e '/^\.\.\. still trying to connect to local B[azel]* server ([1-9][0-9]*) after [1-9][0-9]* seconds \.\.\.\.*$/d' \
     -e '/^Killed non-responsive server process/d' \
     -e '/server needs to be killed, because the startup options are different/d' \

src/test/shell/integration/client_test.sh

@@ -154,14 +154,14 @@ function test_shutdown() {
   local server_pid2=$(bazel info server_pid 2>$TEST_log)
   assert_not_equals "$server_pid1" "$server_pid2"
   expect_not_log "WARNING.* Running B\\(azel\\|laze\\) server needs to be killed"
-  expect_log "Starting local B\\(azel\\|laze\\) server and connecting to it"
+  expect_log "Starting local B\\(azel\\|laze\\) server (.*) and connecting to it"
 }
 
 function test_shutdown_different_options() {
   bazel --host_jvm_args=-Di.am.a=teapot info >& $TEST_log || fail "Expected success"
   bazel shutdown >& $TEST_log || fail "Expected success"
   expect_log "WARNING.* Running B\\(azel\\|laze\\) server needs to be killed"
-  expect_not_log "Starting local B\\(azel\\|laze\\) server and connecting to it"
+  expect_not_log "Starting local B\\(azel\\|laze\\) server (.*) and connecting to it"
 }
 
 function test_server_restart_due_to_startup_options_with_client_debug_information() {
@@ -246,7 +246,7 @@ function test_local_startup_timeout() {
     sleep 1
   done
 
-  expect_log "Starting local.*server and connecting to it"
+  expect_log "Starting local.*server (.*) and connecting to it"
   expect_log "FATAL: couldn't connect to server"
 }
 
@@ -269,7 +269,7 @@ function test_max_idle_secs() {
   done
 
   bazel "${options[@]}" info >"$TEST_log" 2>&1 || fail "bazel info failed"
-  expect_log "Starting local.*server and connecting to it"
+  expect_log "Starting local.*server (.*) and connecting to it"
   # Ensure the restart was not triggered by different startup options.
   expect_not_log "WARNING: Running B\\(azel\\|laze\\) server needs to be killed"
 }
@@ -391,7 +391,7 @@ function test_proxy_settings() {
         "${TEST_TMPDIR}/server_env"
     done
   else
-    echo "Cannot not test server process environment on this platform"
+    echo "cannot test server process environment on this platform"
   fi
 }
 
@@ -442,7 +442,7 @@ function test_client_is_quiet_by_default() {
   lines=$(cat $TEST_log | wc -l)
   [[ $lines -ge 2 && $lines -le 3 ]] || fail "Log has incorrect number of lines"
   expect_log "^\$TEST_TMPDIR defined: output root default"
-  expect_log "^Starting local $capitalized_product_name server and connecting to it...$"
+  expect_log "^Starting local $capitalized_product_name server (.*) and connecting to it...$"
   cp stdout $TEST_log || fail "cp failed"
 
   strip_lines_from_bazel_cc